Synonyms: 2,10,12,16,18-Nonadecapentaenoicacid,19-(3,6-dihydro-3-methyl-6-oxo-2H-pyran-2-yl)-17-ethyl-6-hydroxy-3,5,7,9,11,15-hexamethyl-8-oxo-;Antibiotic CI 940; Antibiotic CL 1957A; CI 940; CL 1957A; Elactocin; LeptomycinB; Mantuamycin; NSC 364372; PD 114720